body {
 	background: url(img/fighting.jpg) no-repeat;
	background-size: 100% 750px;
	color: white;
 }
 
 .rg_layout {
 	width: 900px;
 	height: 600px;
 	margin: auto;
	margin-top: 70px;
 }

 .rg_center {
 	float: left;
	margin:50px 0 0 150px;
 }

 .td_left {
 	width: 100px;
 	height: 45px;
 	text-align: right;
 }

 .td_right {
 	padding-left: 50px;
 }

 #username,
 #password,
 #email,
 #tel{
 	width: 251px;
 	height: 32px;
 	border: 1px solid #A6A6A6;
 	border-radius: 5px;
 	padding-left: 10px;
 }

 #img_check {
 	height: 32px;
 	vertical-align: middle;
 }

 #btn_sub {
 	width: 150px;
 	height: 40px;
 	background-color: #ff0000;
 	border: 1px solid #ff0000;
 }

 .error {
 	color: red;
 }

 #td_sub {
 	padding-left: 150px;
 }

.yiyouzhanghao{
	margin-left: 350px;
}